Question

1. which fatty acid tail from the illustration is saturated? which is unsaturated? briefly explain your answers.

Explanation:

Saturated fatty - acid tails have single bonds only and are straight. Unsaturated fatty - acid tails have at least one double bond, causing a kink. The straight - tailed fatty acid in the illustration is saturated as it has only single bonds. The kinked - tailed fatty acid is unsaturated due to the presence of a double bond.

Answer:

The straight - tailed fatty acid is saturated. The kinked - tailed fatty acid is unsaturated.